It started shortly before noon at the business off Atando Avenue, WSOC reported.
The water surrounding the building is from a nearby creek.
Crews used a boat to save employees currently trapped in the building.
BREAKING: An employee of a flooded recycling business in North Charlotte sent me this picture. Look at how high the water is on this car! Firefighters rescuing trapped employees now. Watch @wsoctv now pic.twitter.com/JBhPjftz1H— Liz Foster (@lizfosterWSOC9) July 24, 2018
No injuries were reported, fire officials said.